APA aipamena

International Air Transportation Conference Arlington, Va., American Society of Civil Engineers. Air Transport Division, & Sproule, W. J. (1994). Aviation crossroads: Challenges in a changing world : proceedings of the 23rd Air Transport Conference, Arlington, Virginia June 22-24, 1994. American Society of Civil Engineers.

Chicago Style aipamena

International Air Transportation Conference Arlington, Va., American Society of Civil Engineers. Air Transport Division, and William J. Sproule. Aviation Crossroads: Challenges in a Changing World : Proceedings of the 23rd Air Transport Conference, Arlington, Virginia June 22-24, 1994. New York: American Society of Civil Engineers, 1994.

MLA aipamena

International Air Transportation Conference Arlington, Va., et al. Aviation Crossroads: Challenges in a Changing World : Proceedings of the 23rd Air Transport Conference, Arlington, Virginia June 22-24, 1994. American Society of Civil Engineers, 1994.